<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <table align="center" border="1" cellpadding="20" cellspacing="0" width="500" height="500">
       <thead>
        <tr>
            <th>姓名</th>
            <th>性别</th>
            <th>年龄</th>
        </tr>
       </thead>
       <tbody>
        <tr>
            <td colspan="2">明朗/男</td>
            <!-- <td>男</td> -->
            <td>18</td>
        </tr>
        <tr>
            <td>小米</td>
            <td rowspan="2">女</td>
            <td>12</td>
        </tr>
        <tr>
            <td>柳柳</td>
            <td>女</td>
            <td>24</td>
        </tr>
        <tr>
            <td colspan="2">洋洋/男</td>
            <!-- <td>男</td> -->
            <td>8</td>
        </tr>
    </tbody>
    </table>
</body>
</html>